Hellfire Gladiator

Enrage: {b}{b}{r} (Target creature with Enrage gains double power and toughness until it deals damage. Other ally creatures with Enrage gain +1/+1 until end of turn.)
Gladiator (Each time a creature with Gladiator is defended by two creatures, it gains +0/+2)
Hellfire Gladiator gains -1/-2 each time he Enrages.